Home / 147,015.72-202,995.96-112,970.55

Finding the Fourth Proportional to 147,015.72, 202,995.96 and 112,970.55

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Solution

The fourth proportional to 147,015.72, 202,995.96 and 112,970.55 is: 155,987.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,015.72 : 202,995.96 = 112,970.55 : x
  2. Step 2: Convert to fraction form
    147,015.72/202,995.96 = 112,970.55/x
  3. Step 3: Cross multiply
    147,015.72x = 202,995.96 × 112,970.55
  4. Step 4: Simplify right side
    147,015.72x = 22,932,565,248.98
  5. Step 5: Solve for x
    x = 22,932,565,248.98/147,015.72
  6. Step 6: Final answer
    x = 155,987.16

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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.