Home / 124,547.04-171,878.70-70,839.78

Finding the Fourth Proportional to 124,547.04, 171,878.70 and 70,839.78

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Solution

The fourth proportional to 124,547.04, 171,878.70 and 70,839.78 is: 97,761.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,547.04 : 171,878.70 = 70,839.78 : x
  2. Step 2: Convert to fraction form
    124,547.04/171,878.70 = 70,839.78/x
  3. Step 3: Cross multiply
    124,547.04x = 171,878.70 × 70,839.78
  4. Step 4: Simplify right side
    124,547.04x = 12,175,848,081.09
  5. Step 5: Solve for x
    x = 12,175,848,081.09/124,547.04
  6. Step 6: Final answer
    x = 97,761.04

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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.