Home / 152,743.09-210,779.95-84,763.03

Finding the Fourth Proportional to 152,743.09, 210,779.95 and 84,763.03

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Solution

The fourth proportional to 152,743.09, 210,779.95 and 84,763.03 is: 116,969.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,743.09 : 210,779.95 = 84,763.03 : x
  2. Step 2: Convert to fraction form
    152,743.09/210,779.95 = 84,763.03/x
  3. Step 3: Cross multiply
    152,743.09x = 210,779.95 × 84,763.03
  4. Step 4: Simplify right side
    152,743.09x = 17,866,347,225.25
  5. Step 5: Solve for x
    x = 17,866,347,225.25/152,743.09
  6. Step 6: Final answer
    x = 116,969.92

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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.