Home / 142,283.81-213,423.28-42,444.29

Finding the Fourth Proportional to 142,283.81, 213,423.28 and 42,444.29

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Solution

The fourth proportional to 142,283.81, 213,423.28 and 42,444.29 is: 63,665.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,283.81 : 213,423.28 = 42,444.29 : x
  2. Step 2: Convert to fraction form
    142,283.81/213,423.28 = 42,444.29/x
  3. Step 3: Cross multiply
    142,283.81x = 213,423.28 × 42,444.29
  4. Step 4: Simplify right side
    142,283.81x = 9,058,599,589.07
  5. Step 5: Solve for x
    x = 9,058,599,589.07/142,283.81
  6. Step 6: Final answer
    x = 63,665.71

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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.