Home / 130,316.50-195,476.91-51,430.06

Finding the Fourth Proportional to 130,316.50, 195,476.91 and 51,430.06

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Solution

The fourth proportional to 130,316.50, 195,476.91 and 51,430.06 is: 77,145.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,316.50 : 195,476.91 = 51,430.06 : x
  2. Step 2: Convert to fraction form
    130,316.50/195,476.91 = 51,430.06/x
  3. Step 3: Cross multiply
    130,316.50x = 195,476.91 × 51,430.06
  4. Step 4: Simplify right side
    130,316.50x = 10,053,389,209.91
  5. Step 5: Solve for x
    x = 10,053,389,209.91/130,316.50
  6. Step 6: Final answer
    x = 77,145.94

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1.5x scale

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.