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Finding the Fourth Proportional to 145,953.60, 218,914.20 and 119,612.40

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Solution

The fourth proportional to 145,953.60, 218,914.20 and 119,612.40 is: 179,405.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,953.60 : 218,914.20 = 119,612.40 : x
  2. Step 2: Convert to fraction form
    145,953.60/218,914.20 = 119,612.40/x
  3. Step 3: Cross multiply
    145,953.60x = 218,914.20 × 119,612.40
  4. Step 4: Simplify right side
    145,953.60x = 26,184,852,856.08
  5. Step 5: Solve for x
    x = 26,184,852,856.08/145,953.60
  6. Step 6: Final answer
    x = 179,405.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.