Home / 142,868.29-214,287.40-58,637.36

Finding the Fourth Proportional to 142,868.29, 214,287.40 and 58,637.36

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Solution

The fourth proportional to 142,868.29, 214,287.40 and 58,637.36 is: 87,949.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,868.29 : 214,287.40 = 58,637.36 : x
  2. Step 2: Convert to fraction form
    142,868.29/214,287.40 = 58,637.36/x
  3. Step 3: Cross multiply
    142,868.29x = 214,287.40 × 58,637.36
  4. Step 4: Simplify right side
    142,868.29x = 12,565,247,417.26
  5. Step 5: Solve for x
    x = 12,565,247,417.26/142,868.29
  6. Step 6: Final answer
    x = 87,949.87

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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.