Home / 112,332.12-155,012.52-61,335.01

Finding the Fourth Proportional to 112,332.12, 155,012.52 and 61,335.01

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Solution

The fourth proportional to 112,332.12, 155,012.52 and 61,335.01 is: 84,639.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,332.12 : 155,012.52 = 61,335.01 : x
  2. Step 2: Convert to fraction form
    112,332.12/155,012.52 = 61,335.01/x
  3. Step 3: Cross multiply
    112,332.12x = 155,012.52 × 61,335.01
  4. Step 4: Simplify right side
    112,332.12x = 9,507,693,671.14
  5. Step 5: Solve for x
    x = 9,507,693,671.14/112,332.12
  6. Step 6: Final answer
    x = 84,639.14

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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.