Home / 127,590.56-176,075.08-73,878.45

Finding the Fourth Proportional to 127,590.56, 176,075.08 and 73,878.45

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Solution

The fourth proportional to 127,590.56, 176,075.08 and 73,878.45 is: 101,952.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,590.56 : 176,075.08 = 73,878.45 : x
  2. Step 2: Convert to fraction form
    127,590.56/176,075.08 = 73,878.45/x
  3. Step 3: Cross multiply
    127,590.56x = 176,075.08 × 73,878.45
  4. Step 4: Simplify right side
    127,590.56x = 13,008,153,809.33
  5. Step 5: Solve for x
    x = 13,008,153,809.33/127,590.56
  6. Step 6: Final answer
    x = 101,952.32

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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.