Home / 163,430.16-245,159.38-45,101.52

Finding the Fourth Proportional to 163,430.16, 245,159.38 and 45,101.52

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Solution

The fourth proportional to 163,430.16, 245,159.38 and 45,101.52 is: 67,656.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,430.16 : 245,159.38 = 45,101.52 : x
  2. Step 2: Convert to fraction form
    163,430.16/245,159.38 = 45,101.52/x
  3. Step 3: Cross multiply
    163,430.16x = 245,159.38 × 45,101.52
  4. Step 4: Simplify right side
    163,430.16x = 11,057,060,680.26
  5. Step 5: Solve for x
    x = 11,057,060,680.26/163,430.16
  6. Step 6: Final answer
    x = 67,656.18

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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.