Home / 130,434.16-195,681.12-47,328.16

Finding the Fourth Proportional to 130,434.16, 195,681.12 and 47,328.16

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Solution

The fourth proportional to 130,434.16, 195,681.12 and 47,328.16 is: 71,003.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,434.16 : 195,681.12 = 47,328.16 : x
  2. Step 2: Convert to fraction form
    130,434.16/195,681.12 = 47,328.16/x
  3. Step 3: Cross multiply
    130,434.16x = 195,681.12 × 47,328.16
  4. Step 4: Simplify right side
    130,434.16x = 9,261,227,356.34
  5. Step 5: Solve for x
    x = 9,261,227,356.34/130,434.16
  6. Step 6: Final answer
    x = 71,003.08

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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.