Home / 142,008.90-213,050.40-53,264.08

Finding the Fourth Proportional to 142,008.90, 213,050.40 and 53,264.08

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Solution

The fourth proportional to 142,008.90, 213,050.40 and 53,264.08 is: 79,910.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,008.90 : 213,050.40 = 53,264.08 : x
  2. Step 2: Convert to fraction form
    142,008.90/213,050.40 = 53,264.08/x
  3. Step 3: Cross multiply
    142,008.90x = 213,050.40 × 53,264.08
  4. Step 4: Simplify right side
    142,008.90x = 11,347,933,915.82
  5. Step 5: Solve for x
    x = 11,347,933,915.82/142,008.90
  6. Step 6: Final answer
    x = 79,910.02

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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.