Home / 94,689.32-130,859.34-77,667.08

Finding the Fourth Proportional to 94,689.32, 130,859.34 and 77,667.08

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Solution

The fourth proportional to 94,689.32, 130,859.34 and 77,667.08 is: 107,334.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,689.32 : 130,859.34 = 77,667.08 : x
  2. Step 2: Convert to fraction form
    94,689.32/130,859.34 = 77,667.08/x
  3. Step 3: Cross multiply
    94,689.32x = 130,859.34 × 77,667.08
  4. Step 4: Simplify right side
    94,689.32x = 10,163,462,828.53
  5. Step 5: Solve for x
    x = 10,163,462,828.53/94,689.32
  6. Step 6: Final answer
    x = 107,334.84

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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.