Home / 158,349.81-237,684.65-140,455.20

Finding the Fourth Proportional to 158,349.81, 237,684.65 and 140,455.20

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Solution

The fourth proportional to 158,349.81, 237,684.65 and 140,455.20 is: 210,824.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,349.81 : 237,684.65 = 140,455.20 : x
  2. Step 2: Convert to fraction form
    158,349.81/237,684.65 = 140,455.20/x
  3. Step 3: Cross multiply
    158,349.81x = 237,684.65 × 140,455.20
  4. Step 4: Simplify right side
    158,349.81x = 33,384,044,350.40
  5. Step 5: Solve for x
    x = 33,384,044,350.40/158,349.81
  6. Step 6: Final answer
    x = 210,824.66

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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.