Home / 86,720.23-130,089.03-23,541.40

Finding the Fourth Proportional to 86,720.23, 130,089.03 and 23,541.40

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Solution

The fourth proportional to 86,720.23, 130,089.03 and 23,541.40 is: 35,314.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,720.23 : 130,089.03 = 23,541.40 : x
  2. Step 2: Convert to fraction form
    86,720.23/130,089.03 = 23,541.40/x
  3. Step 3: Cross multiply
    86,720.23x = 130,089.03 × 23,541.40
  4. Step 4: Simplify right side
    86,720.23x = 3,062,477,890.84
  5. Step 5: Solve for x
    x = 3,062,477,890.84/86,720.23
  6. Step 6: Final answer
    x = 35,314.46

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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.