Home / 126,885.56-175,088.58-70,291.40

Finding the Fourth Proportional to 126,885.56, 175,088.58 and 70,291.40

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Solution

The fourth proportional to 126,885.56, 175,088.58 and 70,291.40 is: 96,994.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,885.56 : 175,088.58 = 70,291.40 : x
  2. Step 2: Convert to fraction form
    126,885.56/175,088.58 = 70,291.40/x
  3. Step 3: Cross multiply
    126,885.56x = 175,088.58 × 70,291.40
  4. Step 4: Simplify right side
    126,885.56x = 12,307,221,412.21
  5. Step 5: Solve for x
    x = 12,307,221,412.21/126,885.56
  6. Step 6: Final answer
    x = 96,994.66

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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.