Home / 145,637.69-200,876.48-97,215.20

Finding the Fourth Proportional to 145,637.69, 200,876.48 and 97,215.20

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Solution

The fourth proportional to 145,637.69, 200,876.48 and 97,215.20 is: 134,087.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,637.69 : 200,876.48 = 97,215.20 : x
  2. Step 2: Convert to fraction form
    145,637.69/200,876.48 = 97,215.20/x
  3. Step 3: Cross multiply
    145,637.69x = 200,876.48 × 97,215.20
  4. Step 4: Simplify right side
    145,637.69x = 19,528,245,688.04
  5. Step 5: Solve for x
    x = 19,528,245,688.04/145,637.69
  6. Step 6: Final answer
    x = 134,087.86

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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.