Home / 197,565.32-272,637.36-112,683.80

Finding the Fourth Proportional to 197,565.32, 272,637.36 and 112,683.80

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Solution

The fourth proportional to 197,565.32, 272,637.36 and 112,683.80 is: 155,502.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,565.32 : 272,637.36 = 112,683.80 : x
  2. Step 2: Convert to fraction form
    197,565.32/272,637.36 = 112,683.80/x
  3. Step 3: Cross multiply
    197,565.32x = 272,637.36 × 112,683.80
  4. Step 4: Simplify right side
    197,565.32x = 30,721,813,746.77
  5. Step 5: Solve for x
    x = 30,721,813,746.77/197,565.32
  6. Step 6: Final answer
    x = 155,502.06

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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.