Home / 113,010.07-155,960.91-74,703.17

Finding the Fourth Proportional to 113,010.07, 155,960.91 and 74,703.17

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Solution

The fourth proportional to 113,010.07, 155,960.91 and 74,703.17 is: 103,095.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,010.07 : 155,960.91 = 74,703.17 : x
  2. Step 2: Convert to fraction form
    113,010.07/155,960.91 = 74,703.17/x
  3. Step 3: Cross multiply
    113,010.07x = 155,960.91 × 74,703.17
  4. Step 4: Simplify right side
    113,010.07x = 11,650,774,373.08
  5. Step 5: Solve for x
    x = 11,650,774,373.08/113,010.07
  6. Step 6: Final answer
    x = 103,095.01

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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.