Home / 112,701.49-155,528.30-61,019.13

Finding the Fourth Proportional to 112,701.49, 155,528.30 and 61,019.13

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Solution

The fourth proportional to 112,701.49, 155,528.30 and 61,019.13 is: 84,206.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,701.49 : 155,528.30 = 61,019.13 : x
  2. Step 2: Convert to fraction form
    112,701.49/155,528.30 = 61,019.13/x
  3. Step 3: Cross multiply
    112,701.49x = 155,528.30 × 61,019.13
  4. Step 4: Simplify right side
    112,701.49x = 9,490,201,708.93
  5. Step 5: Solve for x
    x = 9,490,201,708.93/112,701.49
  6. Step 6: Final answer
    x = 84,206.53

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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.