Home / 136,463.24-188,317.02-76,038.20

Finding the Fourth Proportional to 136,463.24, 188,317.02 and 76,038.20

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Solution

The fourth proportional to 136,463.24, 188,317.02 and 76,038.20 is: 104,931.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,463.24 : 188,317.02 = 76,038.20 : x
  2. Step 2: Convert to fraction form
    136,463.24/188,317.02 = 76,038.20/x
  3. Step 3: Cross multiply
    136,463.24x = 188,317.02 × 76,038.20
  4. Step 4: Simplify right side
    136,463.24x = 14,319,287,230.16
  5. Step 5: Solve for x
    x = 14,319,287,230.16/136,463.24
  6. Step 6: Final answer
    x = 104,931.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.