Home / 130,503.27-195,830.16-70,531.89

Finding the Fourth Proportional to 130,503.27, 195,830.16 and 70,531.89

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Solution

The fourth proportional to 130,503.27, 195,830.16 and 70,531.89 is: 105,838.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,503.27 : 195,830.16 = 70,531.89 : x
  2. Step 2: Convert to fraction form
    130,503.27/195,830.16 = 70,531.89/x
  3. Step 3: Cross multiply
    130,503.27x = 195,830.16 × 70,531.89
  4. Step 4: Simplify right side
    130,503.27x = 13,812,271,303.80
  5. Step 5: Solve for x
    x = 13,812,271,303.80/130,503.27
  6. Step 6: Final answer
    x = 105,838.51

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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.