Home / 155,708.60-214,877.85-84,088.62

Finding the Fourth Proportional to 155,708.60, 214,877.85 and 84,088.62

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Solution

The fourth proportional to 155,708.60, 214,877.85 and 84,088.62 is: 116,042.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,708.60 : 214,877.85 = 84,088.62 : x
  2. Step 2: Convert to fraction form
    155,708.60/214,877.85 = 84,088.62/x
  3. Step 3: Cross multiply
    155,708.60x = 214,877.85 × 84,088.62
  4. Step 4: Simplify right side
    155,708.60x = 18,068,781,875.07
  5. Step 5: Solve for x
    x = 18,068,781,875.07/155,708.60
  6. Step 6: Final answer
    x = 116,042.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.