Home / 161,746.18-223,216.59-90,126.26

Finding the Fourth Proportional to 161,746.18, 223,216.59 and 90,126.26

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Solution

The fourth proportional to 161,746.18, 223,216.59 and 90,126.26 is: 124,378.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,746.18 : 223,216.59 = 90,126.26 : x
  2. Step 2: Convert to fraction form
    161,746.18/223,216.59 = 90,126.26/x
  3. Step 3: Cross multiply
    161,746.18x = 223,216.59 × 90,126.26
  4. Step 4: Simplify right side
    161,746.18x = 20,117,676,426.65
  5. Step 5: Solve for x
    x = 20,117,676,426.65/161,746.18
  6. Step 6: Final answer
    x = 124,378.06

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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.