Home / 124,943.60-187,501.80-89,908.40

Finding the Fourth Proportional to 124,943.60, 187,501.80 and 89,908.40

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Solution

The fourth proportional to 124,943.60, 187,501.80 and 89,908.40 is: 134,924.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,943.60 : 187,501.80 = 89,908.40 : x
  2. Step 2: Convert to fraction form
    124,943.60/187,501.80 = 89,908.40/x
  3. Step 3: Cross multiply
    124,943.60x = 187,501.80 × 89,908.40
  4. Step 4: Simplify right side
    124,943.60x = 16,857,986,835.12
  5. Step 5: Solve for x
    x = 16,857,986,835.12/124,943.60
  6. Step 6: Final answer
    x = 134,924.77

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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.