Home / 153,421.19-230,054.82-89,400.07

Finding the Fourth Proportional to 153,421.19, 230,054.82 and 89,400.07

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Solution

The fourth proportional to 153,421.19, 230,054.82 and 89,400.07 is: 134,055.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,421.19 : 230,054.82 = 89,400.07 : x
  2. Step 2: Convert to fraction form
    153,421.19/230,054.82 = 89,400.07/x
  3. Step 3: Cross multiply
    153,421.19x = 230,054.82 × 89,400.07
  4. Step 4: Simplify right side
    153,421.19x = 20,566,916,370.77
  5. Step 5: Solve for x
    x = 20,566,916,370.77/153,421.19
  6. Step 6: Final answer
    x = 134,055.25

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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.