Home / 126,804.24-174,987.71-70,214.40

Finding the Fourth Proportional to 126,804.24, 174,987.71 and 70,214.40

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Solution

The fourth proportional to 126,804.24, 174,987.71 and 70,214.40 is: 96,894.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,804.24 : 174,987.71 = 70,214.40 : x
  2. Step 2: Convert to fraction form
    126,804.24/174,987.71 = 70,214.40/x
  3. Step 3: Cross multiply
    126,804.24x = 174,987.71 × 70,214.40
  4. Step 4: Simplify right side
    126,804.24x = 12,286,657,065.02
  5. Step 5: Solve for x
    x = 12,286,657,065.02/126,804.24
  6. Step 6: Final answer
    x = 96,894.69

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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.