Home / 142,431.24-213,639.03-42,592.26

Finding the Fourth Proportional to 142,431.24, 213,639.03 and 42,592.26

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Solution

The fourth proportional to 142,431.24, 213,639.03 and 42,592.26 is: 63,886.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,431.24 : 213,639.03 = 42,592.26 : x
  2. Step 2: Convert to fraction form
    142,431.24/213,639.03 = 42,592.26/x
  3. Step 3: Cross multiply
    142,431.24x = 213,639.03 × 42,592.26
  4. Step 4: Simplify right side
    142,431.24x = 9,099,369,111.91
  5. Step 5: Solve for x
    x = 9,099,369,111.91/142,431.24
  6. Step 6: Final answer
    x = 63,886.05

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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.