Home / 129,914.32-179,281.48-70,298.32

Finding the Fourth Proportional to 129,914.32, 179,281.48 and 70,298.32

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Solution

The fourth proportional to 129,914.32, 179,281.48 and 70,298.32 is: 97,011.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,914.32 : 179,281.48 = 70,298.32 : x
  2. Step 2: Convert to fraction form
    129,914.32/179,281.48 = 70,298.32/x
  3. Step 3: Cross multiply
    129,914.32x = 179,281.48 × 70,298.32
  4. Step 4: Simplify right side
    129,914.32x = 12,603,186,851.11
  5. Step 5: Solve for x
    x = 12,603,186,851.11/129,914.32
  6. Step 6: Final answer
    x = 97,011.53

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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.