Home / 115,422.03-173,210.81-45,293.07

Finding the Fourth Proportional to 115,422.03, 173,210.81 and 45,293.07

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Solution

The fourth proportional to 115,422.03, 173,210.81 and 45,293.07 is: 67,970.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,422.03 : 173,210.81 = 45,293.07 : x
  2. Step 2: Convert to fraction form
    115,422.03/173,210.81 = 45,293.07/x
  3. Step 3: Cross multiply
    115,422.03x = 173,210.81 × 45,293.07
  4. Step 4: Simplify right side
    115,422.03x = 7,845,249,115.62
  5. Step 5: Solve for x
    x = 7,845,249,115.62/115,422.03
  6. Step 6: Final answer
    x = 67,970.12

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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.