Home / 170,931.60-256,397.40-145,562.40

Finding the Fourth Proportional to 170,931.60, 256,397.40 and 145,562.40

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Solution

The fourth proportional to 170,931.60, 256,397.40 and 145,562.40 is: 218,343.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,931.60 : 256,397.40 = 145,562.40 : x
  2. Step 2: Convert to fraction form
    170,931.60/256,397.40 = 145,562.40/x
  3. Step 3: Cross multiply
    170,931.60x = 256,397.40 × 145,562.40
  4. Step 4: Simplify right side
    170,931.60x = 37,321,820,897.76
  5. Step 5: Solve for x
    x = 37,321,820,897.76/170,931.60
  6. Step 6: Final answer
    x = 218,343.60

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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.