Home / 152,319.81-210,209.10-84,344.31

Finding the Fourth Proportional to 152,319.81, 210,209.10 and 84,344.31

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Solution

The fourth proportional to 152,319.81, 210,209.10 and 84,344.31 is: 116,399.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,319.81 : 210,209.10 = 84,344.31 : x
  2. Step 2: Convert to fraction form
    152,319.81/210,209.10 = 84,344.31/x
  3. Step 3: Cross multiply
    152,319.81x = 210,209.10 × 84,344.31
  4. Step 4: Simplify right side
    152,319.81x = 17,729,941,495.22
  5. Step 5: Solve for x
    x = 17,729,941,495.22/152,319.81
  6. Step 6: Final answer
    x = 116,399.45

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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.