Home / 112,345.84-155,036.43-61,358.59

Finding the Fourth Proportional to 112,345.84, 155,036.43 and 61,358.59

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Solution

The fourth proportional to 112,345.84, 155,036.43 and 61,358.59 is: 84,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,345.84 : 155,036.43 = 61,358.59 : x
  2. Step 2: Convert to fraction form
    112,345.84/155,036.43 = 61,358.59/x
  3. Step 3: Cross multiply
    112,345.84x = 155,036.43 × 61,358.59
  4. Step 4: Simplify right side
    112,345.84x = 9,512,816,436.64
  5. Step 5: Solve for x
    x = 9,512,816,436.64/112,345.84
  6. Step 6: Final answer
    x = 84,674.40

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1.5x scale

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.