Home / 152,742.60-210,779.25-84,762.54

Finding the Fourth Proportional to 152,742.60, 210,779.25 and 84,762.54

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Solution

The fourth proportional to 152,742.60, 210,779.25 and 84,762.54 is: 116,969.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,742.60 : 210,779.25 = 84,762.54 : x
  2. Step 2: Convert to fraction form
    152,742.60/210,779.25 = 84,762.54/x
  3. Step 3: Cross multiply
    152,742.60x = 210,779.25 × 84,762.54
  4. Step 4: Simplify right side
    152,742.60x = 17,866,184,609.30
  5. Step 5: Solve for x
    x = 17,866,184,609.30/152,742.60
  6. Step 6: Final answer
    x = 116,969.23

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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.