Home / 142,422.14-213,567.42-52,442.25

Finding the Fourth Proportional to 142,422.14, 213,567.42 and 52,442.25

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Solution

The fourth proportional to 142,422.14, 213,567.42 and 52,442.25 is: 78,639.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,422.14 : 213,567.42 = 52,442.25 : x
  2. Step 2: Convert to fraction form
    142,422.14/213,567.42 = 52,442.25/x
  3. Step 3: Cross multiply
    142,422.14x = 213,567.42 × 52,442.25
  4. Step 4: Simplify right side
    142,422.14x = 11,199,956,031.50
  5. Step 5: Solve for x
    x = 11,199,956,031.50/142,422.14
  6. Step 6: Final answer
    x = 78,639.15

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1.5x scale

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.