Home / 143,521.29-215,330.36-63,548.34

Finding the Fourth Proportional to 143,521.29, 215,330.36 and 63,548.34

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Solution

The fourth proportional to 143,521.29, 215,330.36 and 63,548.34 is: 95,343.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,521.29 : 215,330.36 = 63,548.34 : x
  2. Step 2: Convert to fraction form
    143,521.29/215,330.36 = 63,548.34/x
  3. Step 3: Cross multiply
    143,521.29x = 215,330.36 × 63,548.34
  4. Step 4: Simplify right side
    143,521.29x = 13,683,887,088.47
  5. Step 5: Solve for x
    x = 13,683,887,088.47/143,521.29
  6. Step 6: Final answer
    x = 95,343.95

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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.