Home / 130,368.30-195,608.65-70,384.87

Finding the Fourth Proportional to 130,368.30, 195,608.65 and 70,384.87

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Solution

The fourth proportional to 130,368.30, 195,608.65 and 70,384.87 is: 105,607.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,368.30 : 195,608.65 = 70,384.87 : x
  2. Step 2: Convert to fraction form
    130,368.30/195,608.65 = 70,384.87/x
  3. Step 3: Cross multiply
    130,368.30x = 195,608.65 × 70,384.87
  4. Step 4: Simplify right side
    130,368.30x = 13,767,888,736.14
  5. Step 5: Solve for x
    x = 13,767,888,736.14/130,368.30
  6. Step 6: Final answer
    x = 105,607.64

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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.