Home / 142,312.81-213,506.19-42,473.00

Finding the Fourth Proportional to 142,312.81, 213,506.19 and 42,473.00

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Solution

The fourth proportional to 142,312.81, 213,506.19 and 42,473.00 is: 63,720.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,312.81 : 213,506.19 = 42,473.00 : x
  2. Step 2: Convert to fraction form
    142,312.81/213,506.19 = 42,473.00/x
  3. Step 3: Cross multiply
    142,312.81x = 213,506.19 × 42,473.00
  4. Step 4: Simplify right side
    142,312.81x = 9,068,249,529.20
  5. Step 5: Solve for x
    x = 9,068,249,529.20/142,312.81
  6. Step 6: Final answer
    x = 63,720.54

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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.