Home / 165,838.60-248,612.10-99,305.20

Finding the Fourth Proportional to 165,838.60, 248,612.10 and 99,305.20

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Solution

The fourth proportional to 165,838.60, 248,612.10 and 99,305.20 is: 148,870.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,838.60 : 248,612.10 = 99,305.20 : x
  2. Step 2: Convert to fraction form
    165,838.60/248,612.10 = 99,305.20/x
  3. Step 3: Cross multiply
    165,838.60x = 248,612.10 × 99,305.20
  4. Step 4: Simplify right side
    165,838.60x = 24,688,474,312.92
  5. Step 5: Solve for x
    x = 24,688,474,312.92/165,838.60
  6. Step 6: Final answer
    x = 148,870.49

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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.