Home / 153,966.78-212,492.61-93,547.26

Finding the Fourth Proportional to 153,966.78, 212,492.61 and 93,547.26

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Solution

The fourth proportional to 153,966.78, 212,492.61 and 93,547.26 is: 129,106.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,966.78 : 212,492.61 = 93,547.26 : x
  2. Step 2: Convert to fraction form
    153,966.78/212,492.61 = 93,547.26/x
  3. Step 3: Cross multiply
    153,966.78x = 212,492.61 × 93,547.26
  4. Step 4: Simplify right side
    153,966.78x = 19,878,101,435.75
  5. Step 5: Solve for x
    x = 19,878,101,435.75/153,966.78
  6. Step 6: Final answer
    x = 129,106.43

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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.