Home / 99,113.96-148,607.76-42,157.28

Finding the Fourth Proportional to 99,113.96, 148,607.76 and 42,157.28

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Solution

The fourth proportional to 99,113.96, 148,607.76 and 42,157.28 is: 63,209.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,113.96 : 148,607.76 = 42,157.28 : x
  2. Step 2: Convert to fraction form
    99,113.96/148,607.76 = 42,157.28/x
  3. Step 3: Cross multiply
    99,113.96x = 148,607.76 × 42,157.28
  4. Step 4: Simplify right side
    99,113.96x = 6,264,898,948.49
  5. Step 5: Solve for x
    x = 6,264,898,948.49/99,113.96
  6. Step 6: Final answer
    x = 63,209.05

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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.