Home / 104,200.74-155,385.90-103,253.49

Finding the Fourth Proportional to 104,200.74, 155,385.90 and 103,253.49

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Solution

The fourth proportional to 104,200.74, 155,385.90 and 103,253.49 is: 153,973.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,200.74 : 155,385.90 = 103,253.49 : x
  2. Step 2: Convert to fraction form
    104,200.74/155,385.90 = 103,253.49/x
  3. Step 3: Cross multiply
    104,200.74x = 155,385.90 × 103,253.49
  4. Step 4: Simplify right side
    104,200.74x = 16,044,136,471.79
  5. Step 5: Solve for x
    x = 16,044,136,471.79/104,200.74
  6. Step 6: Final answer
    x = 153,973.34

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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.