Home / 130,627.77-180,097.13-84,605.54

Finding the Fourth Proportional to 130,627.77, 180,097.13 and 84,605.54

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Solution

The fourth proportional to 130,627.77, 180,097.13 and 84,605.54 is: 116,646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,627.77 : 180,097.13 = 84,605.54 : x
  2. Step 2: Convert to fraction form
    130,627.77/180,097.13 = 84,605.54/x
  3. Step 3: Cross multiply
    130,627.77x = 180,097.13 × 84,605.54
  4. Step 4: Simplify right side
    130,627.77x = 15,237,213,612.59
  5. Step 5: Solve for x
    x = 15,237,213,612.59/130,627.77
  6. Step 6: Final answer
    x = 116,646.05

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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.