Home / 142,501.95-213,752.75-57,151.32

Finding the Fourth Proportional to 142,501.95, 213,752.75 and 57,151.32

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Solution

The fourth proportional to 142,501.95, 213,752.75 and 57,151.32 is: 85,726.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,501.95 : 213,752.75 = 57,151.32 : x
  2. Step 2: Convert to fraction form
    142,501.95/213,752.75 = 57,151.32/x
  3. Step 3: Cross multiply
    142,501.95x = 213,752.75 × 57,151.32
  4. Step 4: Simplify right side
    142,501.95x = 12,216,251,530.37
  5. Step 5: Solve for x
    x = 12,216,251,530.37/142,501.95
  6. Step 6: Final answer
    x = 85,726.91

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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.