Home / 145,356.90-200,547.44-84,883.92

Finding the Fourth Proportional to 145,356.90, 200,547.44 and 84,883.92

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Solution

The fourth proportional to 145,356.90, 200,547.44 and 84,883.92 is: 117,113.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,356.90 : 200,547.44 = 84,883.92 : x
  2. Step 2: Convert to fraction form
    145,356.90/200,547.44 = 84,883.92/x
  3. Step 3: Cross multiply
    145,356.90x = 200,547.44 × 84,883.92
  4. Step 4: Simplify right side
    145,356.90x = 17,023,252,853.16
  5. Step 5: Solve for x
    x = 17,023,252,853.16/145,356.90
  6. Step 6: Final answer
    x = 117,113.48

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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.