Home / 86,152.32-129,279.36-46,708.48

Finding the Fourth Proportional to 86,152.32, 129,279.36 and 46,708.48

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Solution

The fourth proportional to 86,152.32, 129,279.36 and 46,708.48 is: 70,090.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,152.32 : 129,279.36 = 46,708.48 : x
  2. Step 2: Convert to fraction form
    86,152.32/129,279.36 = 46,708.48/x
  3. Step 3: Cross multiply
    86,152.32x = 129,279.36 × 46,708.48
  4. Step 4: Simplify right side
    86,152.32x = 6,038,442,400.97
  5. Step 5: Solve for x
    x = 6,038,442,400.97/86,152.32
  6. Step 6: Final answer
    x = 70,090.31

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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.