Home / 155,458.08-214,513.08-98,075.76

Finding the Fourth Proportional to 155,458.08, 214,513.08 and 98,075.76

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Solution

The fourth proportional to 155,458.08, 214,513.08 and 98,075.76 is: 135,332.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,458.08 : 214,513.08 = 98,075.76 : x
  2. Step 2: Convert to fraction form
    155,458.08/214,513.08 = 98,075.76/x
  3. Step 3: Cross multiply
    155,458.08x = 214,513.08 × 98,075.76
  4. Step 4: Simplify right side
    155,458.08x = 21,038,533,350.94
  5. Step 5: Solve for x
    x = 21,038,533,350.94/155,458.08
  6. Step 6: Final answer
    x = 135,332.52

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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.