Home / 102,477.60-141,429.96-60,071.76

Finding the Fourth Proportional to 102,477.60, 141,429.96 and 60,071.76

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Solution

The fourth proportional to 102,477.60, 141,429.96 and 60,071.76 is: 82,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,477.60 : 141,429.96 = 60,071.76 : x
  2. Step 2: Convert to fraction form
    102,477.60/141,429.96 = 60,071.76/x
  3. Step 3: Cross multiply
    102,477.60x = 141,429.96 × 60,071.76
  4. Step 4: Simplify right side
    102,477.60x = 8,495,946,613.93
  5. Step 5: Solve for x
    x = 8,495,946,613.93/102,477.60
  6. Step 6: Final answer
    x = 82,905.40

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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.