Home / 108,430.98-149,635.50-60,688.76

Finding the Fourth Proportional to 108,430.98, 149,635.50 and 60,688.76

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Solution

The fourth proportional to 108,430.98, 149,635.50 and 60,688.76 is: 83,750.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,430.98 : 149,635.50 = 60,688.76 : x
  2. Step 2: Convert to fraction form
    108,430.98/149,635.50 = 60,688.76/x
  3. Step 3: Cross multiply
    108,430.98x = 149,635.50 × 60,688.76
  4. Step 4: Simplify right side
    108,430.98x = 9,081,192,946.98
  5. Step 5: Solve for x
    x = 9,081,192,946.98/108,430.98
  6. Step 6: Final answer
    x = 83,750.91

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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.