Home / 103,729.60-155,594.40-102,001.60

Finding the Fourth Proportional to 103,729.60, 155,594.40 and 102,001.60

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Solution

The fourth proportional to 103,729.60, 155,594.40 and 102,001.60 is: 153,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,729.60 : 155,594.40 = 102,001.60 : x
  2. Step 2: Convert to fraction form
    103,729.60/155,594.40 = 102,001.60/x
  3. Step 3: Cross multiply
    103,729.60x = 155,594.40 × 102,001.60
  4. Step 4: Simplify right side
    103,729.60x = 15,870,877,751.04
  5. Step 5: Solve for x
    x = 15,870,877,751.04/103,729.60
  6. Step 6: Final answer
    x = 153,002.40

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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.