Home / 134,117.76-185,075.88-80,392.34

Finding the Fourth Proportional to 134,117.76, 185,075.88 and 80,392.34

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Solution

The fourth proportional to 134,117.76, 185,075.88 and 80,392.34 is: 110,937.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,117.76 : 185,075.88 = 80,392.34 : x
  2. Step 2: Convert to fraction form
    134,117.76/185,075.88 = 80,392.34/x
  3. Step 3: Cross multiply
    134,117.76x = 185,075.88 × 80,392.34
  4. Step 4: Simplify right side
    134,117.76x = 14,878,683,070.76
  5. Step 5: Solve for x
    x = 14,878,683,070.76/134,117.76
  6. Step 6: Final answer
    x = 110,937.46

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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.