Home / 121,595.32-167,804.38-76,275.22

Finding the Fourth Proportional to 121,595.32, 167,804.38 and 76,275.22

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Solution

The fourth proportional to 121,595.32, 167,804.38 and 76,275.22 is: 105,261.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,595.32 : 167,804.38 = 76,275.22 : x
  2. Step 2: Convert to fraction form
    121,595.32/167,804.38 = 76,275.22/x
  3. Step 3: Cross multiply
    121,595.32x = 167,804.38 × 76,275.22
  4. Step 4: Simplify right side
    121,595.32x = 12,799,316,001.46
  5. Step 5: Solve for x
    x = 12,799,316,001.46/121,595.32
  6. Step 6: Final answer
    x = 105,261.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.