Home / 158,767.29-219,106.62-87,146.55

Finding the Fourth Proportional to 158,767.29, 219,106.62 and 87,146.55

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Solution

The fourth proportional to 158,767.29, 219,106.62 and 87,146.55 is: 120,266.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,767.29 : 219,106.62 = 87,146.55 : x
  2. Step 2: Convert to fraction form
    158,767.29/219,106.62 = 87,146.55/x
  3. Step 3: Cross multiply
    158,767.29x = 219,106.62 × 87,146.55
  4. Step 4: Simplify right side
    158,767.29x = 19,094,386,015.16
  5. Step 5: Solve for x
    x = 19,094,386,015.16/158,767.29
  6. Step 6: Final answer
    x = 120,266.50

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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.