Home / 108,038.58-149,075.43-60,291.84

Finding the Fourth Proportional to 108,038.58, 149,075.43 and 60,291.84

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Solution

The fourth proportional to 108,038.58, 149,075.43 and 60,291.84 is: 83,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,038.58 : 149,075.43 = 60,291.84 : x
  2. Step 2: Convert to fraction form
    108,038.58/149,075.43 = 60,291.84/x
  3. Step 3: Cross multiply
    108,038.58x = 149,075.43 × 60,291.84
  4. Step 4: Simplify right side
    108,038.58x = 8,988,031,973.49
  5. Step 5: Solve for x
    x = 8,988,031,973.49/108,038.58
  6. Step 6: Final answer
    x = 83,192.80

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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.