Home / 131,437.84-181,316.84-88,981.52

Finding the Fourth Proportional to 131,437.84, 181,316.84 and 88,981.52

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Solution

The fourth proportional to 131,437.84, 181,316.84 and 88,981.52 is: 122,748.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,437.84 : 181,316.84 = 88,981.52 : x
  2. Step 2: Convert to fraction form
    131,437.84/181,316.84 = 88,981.52/x
  3. Step 3: Cross multiply
    131,437.84x = 181,316.84 × 88,981.52
  4. Step 4: Simplify right side
    131,437.84x = 16,133,848,024.80
  5. Step 5: Solve for x
    x = 16,133,848,024.80/131,437.84
  6. Step 6: Final answer
    x = 122,748.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.