Home / 130,320.52-195,482.90-51,434.08

Finding the Fourth Proportional to 130,320.52, 195,482.90 and 51,434.08

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Solution

The fourth proportional to 130,320.52, 195,482.90 and 51,434.08 is: 77,151.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,320.52 : 195,482.90 = 51,434.08 : x
  2. Step 2: Convert to fraction form
    130,320.52/195,482.90 = 51,434.08/x
  3. Step 3: Cross multiply
    130,320.52x = 195,482.90 × 51,434.08
  4. Step 4: Simplify right side
    130,320.52x = 10,054,483,117.23
  5. Step 5: Solve for x
    x = 10,054,483,117.23/130,320.52
  6. Step 6: Final answer
    x = 77,151.96

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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.