Home / 152,702.08-210,685.76-98,989.36

Finding the Fourth Proportional to 152,702.08, 210,685.76 and 98,989.36

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Solution

The fourth proportional to 152,702.08, 210,685.76 and 98,989.36 is: 136,577.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,702.08 : 210,685.76 = 98,989.36 : x
  2. Step 2: Convert to fraction form
    152,702.08/210,685.76 = 98,989.36/x
  3. Step 3: Cross multiply
    152,702.08x = 210,685.76 × 98,989.36
  4. Step 4: Simplify right side
    152,702.08x = 20,855,648,543.51
  5. Step 5: Solve for x
    x = 20,855,648,543.51/152,702.08
  6. Step 6: Final answer
    x = 136,577.37

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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.