Home / 161,547.32-223,121.94-107,738.82

Finding the Fourth Proportional to 161,547.32, 223,121.94 and 107,738.82

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Solution

The fourth proportional to 161,547.32, 223,121.94 and 107,738.82 is: 148,804.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,547.32 : 223,121.94 = 107,738.82 : x
  2. Step 2: Convert to fraction form
    161,547.32/223,121.94 = 107,738.82/x
  3. Step 3: Cross multiply
    161,547.32x = 223,121.94 × 107,738.82
  4. Step 4: Simplify right side
    161,547.32x = 24,038,894,531.71
  5. Step 5: Solve for x
    x = 24,038,894,531.71/161,547.32
  6. Step 6: Final answer
    x = 148,804.04

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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.