Home / 153,306.56-211,382.06-104,931.79

Finding the Fourth Proportional to 153,306.56, 211,382.06 and 104,931.79

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Solution

The fourth proportional to 153,306.56, 211,382.06 and 104,931.79 is: 144,681.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,306.56 : 211,382.06 = 104,931.79 : x
  2. Step 2: Convert to fraction form
    153,306.56/211,382.06 = 104,931.79/x
  3. Step 3: Cross multiply
    153,306.56x = 211,382.06 × 104,931.79
  4. Step 4: Simplify right side
    153,306.56x = 22,180,696,876.57
  5. Step 5: Solve for x
    x = 22,180,696,876.57/153,306.56
  6. Step 6: Final answer
    x = 144,681.98

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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.