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Finding the Fourth Proportional to 130,364.62, 179,903.20 and 70,748.62

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Solution

The fourth proportional to 130,364.62, 179,903.20 and 70,748.62 is: 97,633.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,364.62 : 179,903.20 = 70,748.62 : x
  2. Step 2: Convert to fraction form
    130,364.62/179,903.20 = 70,748.62/x
  3. Step 3: Cross multiply
    130,364.62x = 179,903.20 × 70,748.62
  4. Step 4: Simplify right side
    130,364.62x = 12,727,903,133.58
  5. Step 5: Solve for x
    x = 12,727,903,133.58/130,364.62
  6. Step 6: Final answer
    x = 97,633.11

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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.