Home / 130,572.36-180,128.40-94,683.66

Finding the Fourth Proportional to 130,572.36, 180,128.40 and 94,683.66

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Solution

The fourth proportional to 130,572.36, 180,128.40 and 94,683.66 is: 130,618.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,572.36 : 180,128.40 = 94,683.66 : x
  2. Step 2: Convert to fraction form
    130,572.36/180,128.40 = 94,683.66/x
  3. Step 3: Cross multiply
    130,572.36x = 180,128.40 × 94,683.66
  4. Step 4: Simplify right side
    130,572.36x = 17,055,216,181.94
  5. Step 5: Solve for x
    x = 17,055,216,181.94/130,572.36
  6. Step 6: Final answer
    x = 130,618.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.