Home / 153,130.26-229,741.96-78,302.94

Finding the Fourth Proportional to 153,130.26, 229,741.96 and 78,302.94

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Solution

The fourth proportional to 153,130.26, 229,741.96 and 78,302.94 is: 117,478.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,130.26 : 229,741.96 = 78,302.94 : x
  2. Step 2: Convert to fraction form
    153,130.26/229,741.96 = 78,302.94/x
  3. Step 3: Cross multiply
    153,130.26x = 229,741.96 × 78,302.94
  4. Step 4: Simplify right side
    153,130.26x = 17,989,470,909.36
  5. Step 5: Solve for x
    x = 17,989,470,909.36/153,130.26
  6. Step 6: Final answer
    x = 117,478.22

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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.