Home / 134,779.90-202,315.65-84,916.30

Finding the Fourth Proportional to 134,779.90, 202,315.65 and 84,916.30

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Solution

The fourth proportional to 134,779.90, 202,315.65 and 84,916.30 is: 127,466.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,779.90 : 202,315.65 = 84,916.30 : x
  2. Step 2: Convert to fraction form
    134,779.90/202,315.65 = 84,916.30/x
  3. Step 3: Cross multiply
    134,779.90x = 202,315.65 × 84,916.30
  4. Step 4: Simplify right side
    134,779.90x = 17,179,896,430.10
  5. Step 5: Solve for x
    x = 17,179,896,430.10/134,779.90
  6. Step 6: Final answer
    x = 127,466.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.