Home / 142,207.95-213,347.01-42,367.75

Finding the Fourth Proportional to 142,207.95, 213,347.01 and 42,367.75

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Solution

The fourth proportional to 142,207.95, 213,347.01 and 42,367.75 is: 63,562.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,207.95 : 213,347.01 = 42,367.75 : x
  2. Step 2: Convert to fraction form
    142,207.95/213,347.01 = 42,367.75/x
  3. Step 3: Cross multiply
    142,207.95x = 213,347.01 × 42,367.75
  4. Step 4: Simplify right side
    142,207.95x = 9,039,032,782.93
  5. Step 5: Solve for x
    x = 9,039,032,782.93/142,207.95
  6. Step 6: Final answer
    x = 63,562.08

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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.