Home / 143,411.60-215,117.40-110,298.80

Finding the Fourth Proportional to 143,411.60, 215,117.40 and 110,298.80

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Solution

The fourth proportional to 143,411.60, 215,117.40 and 110,298.80 is: 165,448.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,411.60 : 215,117.40 = 110,298.80 : x
  2. Step 2: Convert to fraction form
    143,411.60/215,117.40 = 110,298.80/x
  3. Step 3: Cross multiply
    143,411.60x = 215,117.40 × 110,298.80
  4. Step 4: Simplify right side
    143,411.60x = 23,727,191,079.12
  5. Step 5: Solve for x
    x = 23,727,191,079.12/143,411.60
  6. Step 6: Final answer
    x = 165,448.20

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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.