Home / 123,779.59-170,810.91-70,075.74

Finding the Fourth Proportional to 123,779.59, 170,810.91 and 70,075.74

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Solution

The fourth proportional to 123,779.59, 170,810.91 and 70,075.74 is: 96,701.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,779.59 : 170,810.91 = 70,075.74 : x
  2. Step 2: Convert to fraction form
    123,779.59/170,810.91 = 70,075.74/x
  3. Step 3: Cross multiply
    123,779.59x = 170,810.91 × 70,075.74
  4. Step 4: Simplify right side
    123,779.59x = 11,969,701,558.86
  5. Step 5: Solve for x
    x = 11,969,701,558.86/123,779.59
  6. Step 6: Final answer
    x = 96,701.74

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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.