Home / 152,683.13-210,703.25-84,701.45

Finding the Fourth Proportional to 152,683.13, 210,703.25 and 84,701.45

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Solution

The fourth proportional to 152,683.13, 210,703.25 and 84,701.45 is: 116,888.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,683.13 : 210,703.25 = 84,701.45 : x
  2. Step 2: Convert to fraction form
    152,683.13/210,703.25 = 84,701.45/x
  3. Step 3: Cross multiply
    152,683.13x = 210,703.25 × 84,701.45
  4. Step 4: Simplify right side
    152,683.13x = 17,846,870,109.80
  5. Step 5: Solve for x
    x = 17,846,870,109.80/152,683.13
  6. Step 6: Final answer
    x = 116,888.29

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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.