Home / 158,278.72-237,436.86-99,119.32

Finding the Fourth Proportional to 158,278.72, 237,436.86 and 99,119.32

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Solution

The fourth proportional to 158,278.72, 237,436.86 and 99,119.32 is: 148,690.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,278.72 : 237,436.86 = 99,119.32 : x
  2. Step 2: Convert to fraction form
    158,278.72/237,436.86 = 99,119.32/x
  3. Step 3: Cross multiply
    158,278.72x = 237,436.86 × 99,119.32
  4. Step 4: Simplify right side
    158,278.72x = 23,534,580,106.14
  5. Step 5: Solve for x
    x = 23,534,580,106.14/158,278.72
  6. Step 6: Final answer
    x = 148,690.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.