Home / 152,485.18-210,430.73-84,503.25

Finding the Fourth Proportional to 152,485.18, 210,430.73 and 84,503.25

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Solution

The fourth proportional to 152,485.18, 210,430.73 and 84,503.25 is: 116,615.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,485.18 : 210,430.73 = 84,503.25 : x
  2. Step 2: Convert to fraction form
    152,485.18/210,430.73 = 84,503.25/x
  3. Step 3: Cross multiply
    152,485.18x = 210,430.73 × 84,503.25
  4. Step 4: Simplify right side
    152,485.18x = 17,782,080,499.05
  5. Step 5: Solve for x
    x = 17,782,080,499.05/152,485.18
  6. Step 6: Final answer
    x = 116,615.14

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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.