Home / 102,723.60-154,085.40-93,538.20

Finding the Fourth Proportional to 102,723.60, 154,085.40 and 93,538.20

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Solution

The fourth proportional to 102,723.60, 154,085.40 and 93,538.20 is: 140,307.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,723.60 : 154,085.40 = 93,538.20 : x
  2. Step 2: Convert to fraction form
    102,723.60/154,085.40 = 93,538.20/x
  3. Step 3: Cross multiply
    102,723.60x = 154,085.40 × 93,538.20
  4. Step 4: Simplify right side
    102,723.60x = 14,412,870,962.28
  5. Step 5: Solve for x
    x = 14,412,870,962.28/102,723.60
  6. Step 6: Final answer
    x = 140,307.30

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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.