Home / 115,641.07-159,575.81-70,312.76

Finding the Fourth Proportional to 115,641.07, 159,575.81 and 70,312.76

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Solution

The fourth proportional to 115,641.07, 159,575.81 and 70,312.76 is: 97,026.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,641.07 : 159,575.81 = 70,312.76 : x
  2. Step 2: Convert to fraction form
    115,641.07/159,575.81 = 70,312.76/x
  3. Step 3: Cross multiply
    115,641.07x = 159,575.81 × 70,312.76
  4. Step 4: Simplify right side
    115,641.07x = 11,220,215,079.30
  5. Step 5: Solve for x
    x = 11,220,215,079.30/115,641.07
  6. Step 6: Final answer
    x = 97,026.22

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1.5x scale

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.