Home / 158,938.13-219,354.06-91,870.13

Finding the Fourth Proportional to 158,938.13, 219,354.06 and 91,870.13

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Solution

The fourth proportional to 158,938.13, 219,354.06 and 91,870.13 is: 126,792.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,938.13 : 219,354.06 = 91,870.13 : x
  2. Step 2: Convert to fraction form
    158,938.13/219,354.06 = 91,870.13/x
  3. Step 3: Cross multiply
    158,938.13x = 219,354.06 × 91,870.13
  4. Step 4: Simplify right side
    158,938.13x = 20,152,084,911.46
  5. Step 5: Solve for x
    x = 20,152,084,911.46/158,938.13
  6. Step 6: Final answer
    x = 126,792.01

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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.