Home / 229,075.35-316,161.90-127,133.55

Finding the Fourth Proportional to 229,075.35, 316,161.90 and 127,133.55

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Solution

The fourth proportional to 229,075.35, 316,161.90 and 127,133.55 is: 175,465.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,075.35 : 316,161.90 = 127,133.55 : x
  2. Step 2: Convert to fraction form
    229,075.35/316,161.90 = 127,133.55/x
  3. Step 3: Cross multiply
    229,075.35x = 316,161.90 × 127,133.55
  4. Step 4: Simplify right side
    229,075.35x = 40,194,784,721.75
  5. Step 5: Solve for x
    x = 40,194,784,721.75/229,075.35
  6. Step 6: Final answer
    x = 175,465.34

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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.