Home / 103,613.40-154,663.65-88,916.76

Finding the Fourth Proportional to 103,613.40, 154,663.65 and 88,916.76

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Solution

The fourth proportional to 103,613.40, 154,663.65 and 88,916.76 is: 132,725.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,613.40 : 154,663.65 = 88,916.76 : x
  2. Step 2: Convert to fraction form
    103,613.40/154,663.65 = 88,916.76/x
  3. Step 3: Cross multiply
    103,613.40x = 154,663.65 × 88,916.76
  4. Step 4: Simplify right side
    103,613.40x = 13,752,190,647.77
  5. Step 5: Solve for x
    x = 13,752,190,647.77/103,613.40
  6. Step 6: Final answer
    x = 132,725.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.