Home / 142,875.90-214,386.75-58,700.70

Finding the Fourth Proportional to 142,875.90, 214,386.75 and 58,700.70

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Solution

The fourth proportional to 142,875.90, 214,386.75 and 58,700.70 is: 88,081.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,875.90 : 214,386.75 = 58,700.70 : x
  2. Step 2: Convert to fraction form
    142,875.90/214,386.75 = 58,700.70/x
  3. Step 3: Cross multiply
    142,875.90x = 214,386.75 × 58,700.70
  4. Step 4: Simplify right side
    142,875.90x = 12,584,652,295.73
  5. Step 5: Solve for x
    x = 12,584,652,295.73/142,875.90
  6. Step 6: Final answer
    x = 88,081.00

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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.