Home / 112,547.27-155,363.06-70,126.76

Finding the Fourth Proportional to 112,547.27, 155,363.06 and 70,126.76

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Solution

The fourth proportional to 112,547.27, 155,363.06 and 70,126.76 is: 96,804.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,547.27 : 155,363.06 = 70,126.76 : x
  2. Step 2: Convert to fraction form
    112,547.27/155,363.06 = 70,126.76/x
  3. Step 3: Cross multiply
    112,547.27x = 155,363.06 × 70,126.76
  4. Step 4: Simplify right side
    112,547.27x = 10,895,108,021.49
  5. Step 5: Solve for x
    x = 10,895,108,021.49/112,547.27
  6. Step 6: Final answer
    x = 96,804.73

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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.