Home / 153,319.56-230,026.44-78,492.23

Finding the Fourth Proportional to 153,319.56, 230,026.44 and 78,492.23

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Solution

The fourth proportional to 153,319.56, 230,026.44 and 78,492.23 is: 117,762.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,319.56 : 230,026.44 = 78,492.23 : x
  2. Step 2: Convert to fraction form
    153,319.56/230,026.44 = 78,492.23/x
  3. Step 3: Cross multiply
    153,319.56x = 230,026.44 × 78,492.23
  4. Step 4: Simplify right side
    153,319.56x = 18,055,287,531.57
  5. Step 5: Solve for x
    x = 18,055,287,531.57/153,319.56
  6. Step 6: Final answer
    x = 117,762.45

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1.5x scale

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.