Finding the Fourth Proportional to 133,985.68, 184,862.36 and 86,266.68
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Solution
The fourth proportional to 133,985.68, 184,862.36 and 86,266.68 is: 119,023.63
Step by Step Solution
- Step 1: Write the proportion equation
133,985.68 : 184,862.36 = 86,266.68 : x - Step 2: Convert to fraction form
133,985.68/184,862.36 = 86,266.68/x - Step 3: Cross multiply
133,985.68x = 184,862.36 × 86,266.68 - Step 4: Simplify right side
133,985.68x = 15,947,462,054.16 - Step 5: Solve for x
x = 15,947,462,054.16/133,985.68 - Step 6: Final answer
x = 119,023.63
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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.