Home / 99,337.47-148,070.40-91,365.87

Finding the Fourth Proportional to 99,337.47, 148,070.40 and 91,365.87

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Solution

The fourth proportional to 99,337.47, 148,070.40 and 91,365.87 is: 136,188.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,337.47 : 148,070.40 = 91,365.87 : x
  2. Step 2: Convert to fraction form
    99,337.47/148,070.40 = 91,365.87/x
  3. Step 3: Cross multiply
    99,337.47x = 148,070.40 × 91,365.87
  4. Step 4: Simplify right side
    99,337.47x = 13,528,580,917.25
  5. Step 5: Solve for x
    x = 13,528,580,917.25/99,337.47
  6. Step 6: Final answer
    x = 136,188.10

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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.