Home / 153,041.19-229,430.31-53,188.41

Finding the Fourth Proportional to 153,041.19, 229,430.31 and 53,188.41

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Solution

The fourth proportional to 153,041.19, 229,430.31 and 53,188.41 is: 79,736.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,041.19 : 229,430.31 = 53,188.41 : x
  2. Step 2: Convert to fraction form
    153,041.19/229,430.31 = 53,188.41/x
  3. Step 3: Cross multiply
    153,041.19x = 229,430.31 × 53,188.41
  4. Step 4: Simplify right side
    153,041.19x = 12,203,033,128.77
  5. Step 5: Solve for x
    x = 12,203,033,128.77/153,041.19
  6. Step 6: Final answer
    x = 79,736.92

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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.