Home / 238,075.15-328,542.75-130,646.98

Finding the Fourth Proportional to 238,075.15, 328,542.75 and 130,646.98

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Solution

The fourth proportional to 238,075.15, 328,542.75 and 130,646.98 is: 180,292.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,075.15 : 328,542.75 = 130,646.98 : x
  2. Step 2: Convert to fraction form
    238,075.15/328,542.75 = 130,646.98/x
  3. Step 3: Cross multiply
    238,075.15x = 328,542.75 × 130,646.98
  4. Step 4: Simplify right side
    238,075.15x = 42,923,118,088.40
  5. Step 5: Solve for x
    x = 42,923,118,088.40/238,075.15
  6. Step 6: Final answer
    x = 180,292.31

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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.